<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;

	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate($fromAuthen = false)
	{
		$username = strtolower($this->username);
		$password = $this->password;
		
		$logged_in = false;
		$user = User::model()->find('LOWER(user_login)=?', array($username));
		if(!empty($user))
		{
			if($user->password = $user->hashPassword($password) || $fromAuthen)
			{
				// successful login
				$this->_id = $user->user_id;
				$this->username = $user->user_login;
				$this->setState('last_login', $user->last_login);
				$this->errorCode = self::ERROR_NONE;
			}
			else
			{
				$this->errorCode = self::ERROR_PASSWORD_INVALID;
			}
		}
		else {
			$this->errorCode = self::ERROR_USERNAME_INVALID;
		}
		return $this->errorCode == self::ERROR_NONE;
	}

	public function getId()
    {
        return $this->_id;
    }

	public function setId($user_id) {
		$this->_id = $user_id;
	}
}